CN103838388A - Portable passive keyboard based on NFC wireless power supply and communication and control method of keyboard - Google Patents
Portable passive keyboard based on NFC wireless power supply and communication and control method of keyboard Download PDFInfo
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- CN103838388A CN103838388A CN201410114288.5A CN201410114288A CN103838388A CN 103838388 A CN103838388 A CN 103838388A CN 201410114288 A CN201410114288 A CN 201410114288A CN 103838388 A CN103838388 A CN 103838388A
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Abstract
The invention belongs to the field of NFC wireless communication, and discloses a portable passive keyboard based on NFC wireless power supply and communication and a control method of the keyboard to solve the problems that according to an existing wireless keyboard, an additional battery is needed to supply electricity, additional consumption is needed, and environment friendliness is not facilitated. The portable passive keyboard comprises a computer keyboard body, a keyboard control circuit, a keyboard built-in power source, an NFC wireless communication circuit, an NFC charger and an NFC reading and writing circuit. The control method comprises the steps that the NFC wireless communication circuit detects the electric quantity of the keyboard built-in power source and judges whether the electric quantity is smaller than 10% or not, if yes, a charging alarm is given, and if not, electricity is supplied to the computer keyboard body; the NFC wireless communication circuit judges whether a serial data signal of the keyboard control circuit is received or not, if yes, the serial data signal is transmitted to the NFC reading and writing circuit through wireless communication, and if not, whether a serial data signal of the NFC reading and writing circuit is received or not is judged, wherein if yes, the serial data signal of the NFC reading and writing circuit is transmitted to the keyboard control circuit. The portable passive keyboard is used in portable passive keyboards.
Description
Technical field
The present invention relates to a kind of based on NFC wireless power and the portable passive keyboard of communicating by letter and the control method of this keyboard.
Background technology
The external connection keyboard of computing machine is mainly divided into two kinds at present, and one is that USB is direct-connected, and another kind is Wireless Keyboard.It is clean and tidy that the direct-connected external connection keyboard of USB affects desktop, attractive in appearance not, and limited working environment can be affected; And existing Wireless Keyboard needs extra battery for its power supply, need constantly consumption once again, the inadequate environmental protection of battery of consumption.
Summary of the invention
The present invention seeks to needs extra powered battery in order to solve existing Wireless Keyboard, need to consume once again and the problem of not environmental protection, provides a kind of based on NFC wireless power and the portable passive keyboard of communicating by letter and the control method of this keyboard.
Of the present invention a kind of based on NFC wireless power and the portable passive keyboard of communicating by letter, it comprises computer key disc main body, keyboard control circuit, keyboard built-in power, NFC radio communication circuit, NFC charger and NFC read/write circuit;
The data serial port of the data serial port connecting key disk control circuit of described NFC radio communication circuit, the output port of power source of NFC radio communication circuit connects the power input mouth of keyboard built-in power, the data serial port of keyboard control circuit connects computer key disc main body, keyboard built-in power is the power supply of computer key disc main body, NFC charger and NFC radio communication circuit are realized wireless charging, and NFC read/write circuit and NFC radio communication circuit are realized radio communication.
Control method based on above-mentioned portable passive keyboard of the present invention, the detailed process of this control method is:
Step 1, NFC radio communication circuit detect the electric weight of keyboard built-in power;
Step 2, NFC radio communication circuit judge whether electric weight is less than 10%, if otherwise execution step three, if it is NFC radio communication circuit sends charging alarm, then repeated execution of steps one;
Step 3, keyboard built-in power are the power supply of computer key disc main body, then perform step four;
Step 4, NFC radio communication circuit judge whether to receive the serial data signal of keyboard control circuit, if it is perform step five, if otherwise execution step six;
Step 5, NFC radio communication circuit are exported to NFC read/write circuit by radio communication by serial data signal, then return to step 1;
Step 6, NFC radio communication circuit judge whether to receive the serial data signal of NFC read/write circuit, if otherwise return to step 4, if it is perform step seven;
Serial data signal is exported to keyboard control circuit by step 7, NFC radio communication circuit, then returns to step 1.
Advantage of the present invention: of the present inventionly can use keyboard based on NFC wireless power under radio conditions with the portable passive keyboard of communicating by letter, not affect the appearance, not waste working environment.Can contact with Wireless Keyboard at charger or near charge under state, do not need to use additional battery.Built-in power in Wireless Keyboard can be stored a part of electric weight, even if depart from the charging scope of charger, still can use continuously a few hours even longer.
Accompanying drawing explanation
Fig. 1 be of the present invention a kind of based on NFC wireless power the structural representation with the portable passive keyboard of communicating by letter;
Fig. 2 is the FB(flow block) of the control method based on portable passive keyboard of the present invention.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, a kind of based on NFC wireless power and the portable passive keyboard of communicating by letter described in present embodiment, it comprises computer key disc main body, keyboard control circuit 1, keyboard built-in power 2, NFC radio communication circuit 3, NFC charger 4 and NFC read/write circuit 5;
The data serial port of the data serial port connecting key disk control circuit 1 of described NFC radio communication circuit 3, the output port of power source of NFC radio communication circuit 3 connects the power input mouth of keyboard built-in power 2, the data serial port of keyboard control circuit 1 connects computer key disc main body, keyboard built-in power 2 is the power supply of computer key disc main body, NFC charger 4 and NFC radio communication circuit 3 are realized wireless charging, and NFC read/write circuit 5 is realized radio communication with NFC radio communication circuit 3.
Embodiment two: present embodiment is described further embodiment one, described keyboard control circuit 1, keyboard built-in power 2 and NFC radio communication circuit 3 are fixedly mounted on the bottom of computer key disc main body.
Embodiment three: present embodiment is described further embodiment one, described NFC read/write circuit 5 is provided with USB communication port.
Embodiment four: below in conjunction with Fig. 2, present embodiment is described, the control method based on above-mentioned portable passive keyboard described in present embodiment, the detailed process of this control method is:
Step 1, NFC radio communication circuit detect the electric weight of keyboard built-in power;
Step 2, NFC radio communication circuit judge whether electric weight is less than 10%, if otherwise execution step three, if it is NFC radio communication circuit sends charging alarm, then repeated execution of steps one;
Step 3, keyboard built-in power are the power supply of computer key disc main body, then perform step four;
Step 4, NFC radio communication circuit judge whether to receive the serial data signal of keyboard control circuit, if it is perform step five, if otherwise execution step six;
Step 5, NFC radio communication circuit are exported to NFC read/write circuit by radio communication by serial data signal, then return to step 1;
Step 6, NFC radio communication circuit judge whether to receive the serial data signal of NFC read/write circuit, if otherwise return to step 4, if it is perform step seven;
Serial data signal is exported to keyboard control circuit by step 7, NFC radio communication circuit, then returns to step 1.
Claims (4)
1. one kind based on NFC wireless power and the portable passive keyboard of communicating by letter, it is characterized in that, it comprises computer key disc main body, keyboard control circuit (1), keyboard built-in power (2), NFC radio communication circuit (3), NFC charger (4) and NFC read/write circuit (5);
The data serial port of the data serial port connecting key disk control circuit (1) of described NFC radio communication circuit (3), the output port of power source of NFC radio communication circuit (3) connects the power input mouth of keyboard built-in power (2), the data serial port of keyboard control circuit (1) connects computer key disc main body, keyboard built-in power (2) is the power supply of computer key disc main body, NFC charger (4) and NFC radio communication circuit (3) are realized wireless charging, and NFC read/write circuit (5) is realized radio communication with NFC radio communication circuit (3).
2. a kind of based on NFC wireless power and the portable passive keyboard of communicating by letter according to claim 1, it is characterized in that, described keyboard control circuit (1), keyboard built-in power (2) and NFC radio communication circuit (3) are fixedly mounted on the bottom of computer key disc main body.
3. a kind ofly according to claim 1 it is characterized in that based on NFC wireless power and the portable passive keyboard of communicating by letter, described NFC read/write circuit (5) is provided with USB communication port.
4. the control method based on portable passive keyboard described in claim 1, is characterized in that, the detailed process of this control method is:
Step 1, NFC radio communication circuit detect the electric weight of keyboard built-in power;
Step 2, NFC radio communication circuit judge whether electric weight is less than 10%, if otherwise execution step three, if it is NFC radio communication circuit sends charging alarm, then returns to step 1;
Step 3, keyboard built-in power are the power supply of computer key disc main body, then perform step four;
Step 4, NFC radio communication circuit judge whether to receive the serial data signal of keyboard control circuit, if it is perform step five, if otherwise execution step six;
Step 5, NFC radio communication circuit are exported to NFC read/write circuit by radio communication by serial data signal, then return to step 1;
Step 6, NFC radio communication circuit judge whether to receive the serial data signal of NFC read/write circuit, if otherwise return to step 4, if it is perform step seven;
Serial data signal is exported to keyboard control circuit by step 7, NFC radio communication circuit, then returns to step 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114288.5A CN103838388A (en) | 2014-03-25 | 2014-03-25 | Portable passive keyboard based on NFC wireless power supply and communication and control method of keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114288.5A CN103838388A (en) | 2014-03-25 | 2014-03-25 | Portable passive keyboard based on NFC wireless power supply and communication and control method of keyboard |
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| CN103838388A true CN103838388A (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410114288.5A Pending CN103838388A (en) | 2014-03-25 | 2014-03-25 | Portable passive keyboard based on NFC wireless power supply and communication and control method of keyboard |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159474A (en) * | 2015-08-26 | 2015-12-16 | 无锡伊佩克科技有限公司 | Wireless keyboard based on power detection |
| CN106709314A (en) * | 2015-11-16 | 2017-05-24 | 群光电子股份有限公司 | System and method for performing unlocking through near field communication, and keyboard apparatus |
| CN107005791A (en) * | 2014-12-23 | 2017-08-01 | 英特尔公司 | To the wireless energy and data transfer of the display of input equipment |
| CN108399014A (en) * | 2018-05-22 | 2018-08-14 | 漳州立达信光电子科技有限公司 | Control system and keyboard |
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| CN201146522Y (en) * | 2008-01-16 | 2008-11-05 | 上海复旦微电子股份有限公司 | Apparatus for exchanging information between a plurality of equipments based on NFC technique |
| CN101316401A (en) * | 2007-05-31 | 2008-12-03 | 中国科学院自动化研究所 | Mobile phone system based on radio frequency recognition principle |
| US20110050164A1 (en) * | 2008-05-07 | 2011-03-03 | Afshin Partovi | System and methods for inductive charging, and improvements and uses thereof |
| CN102937836A (en) * | 2012-10-17 | 2013-02-20 | 深圳桑菲消费通信有限公司 | NFC (Near Field Communication) keyboard and realizing method thereof |
| CN103513777A (en) * | 2013-09-29 | 2014-01-15 | 国家电网公司 | Wireless keyboard based on NFC wireless technology and NFC read-write device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101316401A (en) * | 2007-05-31 | 2008-12-03 | 中国科学院自动化研究所 | Mobile phone system based on radio frequency recognition principle |
| CN201146522Y (en) * | 2008-01-16 | 2008-11-05 | 上海复旦微电子股份有限公司 | Apparatus for exchanging information between a plurality of equipments based on NFC technique |
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| CN102937836A (en) * | 2012-10-17 | 2013-02-20 | 深圳桑菲消费通信有限公司 | NFC (Near Field Communication) keyboard and realizing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005791A (en) * | 2014-12-23 | 2017-08-01 | 英特尔公司 | To the wireless energy and data transfer of the display of input equipment |
| CN105159474A (en) * | 2015-08-26 | 2015-12-16 | 无锡伊佩克科技有限公司 | Wireless keyboard based on power detection |
| CN106709314A (en) * | 2015-11-16 | 2017-05-24 | 群光电子股份有限公司 | System and method for performing unlocking through near field communication, and keyboard apparatus |
| CN108399014A (en) * | 2018-05-22 | 2018-08-14 | 漳州立达信光电子科技有限公司 | Control system and keyboard |
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Application publication date: 20140604 |